Where do you get "many" from? Been surfing this forum for a year and haven't seen a everyday post on the subject.
IMO, the old Macbook plastic casing, your palms sweats, after a while leave this residue that's quite ugly.
Aluminum, it's easier to clean and IMO, don't need further protection, but hey don't go by me.
I have a keyboard membrane, because it's so much work to clean but that's it.
He may not be talking about macrumors. He could be saying when he's out and he sees people with their MacBooks.
I regret it every single day.
why do so many people buy MBA palm rest and trackpad protectors?
do the palm rest and trackpad areas wear out easily without the clear film protectors?
anyone got a photo showing the worn-out palm rest or trackpad?
thanks!
Palm rest protectors prevent the MacBook's aluminum chassis from being corroded / pitted / stained from sweat. Since people have different body chemistries one individual's sweat might not cause the corrosion, while another one's does.
People who know from past experience that aluminum reacts badly to their particular sweat can prevent potential loss of resale value by buying palm rest protectors. Those who aren't sure but want to play it safe might do so too. I believe officially Apple does not want people to attach protectors or skins between the display and the palm rest / keyboard due to tight design tolerances, though. MacBooks are designed to be very form-fitting when closed.
My iMac's Magic Mouse started showing pitting after about a year, so if I ever buy a Macbook I know I'll consider a translucent, adhesive skin for the palm rest. You can search for "Macbook palm rest pitting" or "Magic Mouse pitting" (or replace "pitting" with "corrosion") with Google to see what it looks like.
I installed a screen protector on my MBA and a pair of LCD protectors on my eyeglasses.